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-rwxr-xr-xgit-submodule.sh992
1 files changed, 992 insertions, 0 deletions
diff --git a/git-submodule.sh b/git-submodule.sh
new file mode 100755
index 0000000000..814d0d914e
--- /dev/null
+++ b/git-submodule.sh
@@ -0,0 +1,992 @@
+#!/bin/sh
+#
+# git-submodules.sh: add, init, update or list git submodules
+#
+# Copyright (c) 2007 Lars Hjemli
+
+dashless=$(basename "$0" | sed -e 's/-/ /')
+USAGE="[--quiet] add [-b branch] [-f|--force] [--reference <repository>] [--] <repository> [<path>]
+ or: $dashless [--quiet] status [--cached] [--recursive] [--] [<path>...]
+ or: $dashless [--quiet] init [--] [<path>...]
+ or: $dashless [--quiet] update [--init] [-N|--no-fetch] [-f|--force] [--rebase] [--reference <repository>] [--merge] [--recursive] [--] [<path>...]
+ or: $dashless [--quiet] summary [--cached|--files] [--summary-limit <n>] [commit] [--] [<path>...]
+ or: $dashless [--quiet] foreach [--recursive] <command>
+ or: $dashless [--quiet] sync [--] [<path>...]"
+OPTIONS_SPEC=
+. git-sh-setup
+. git-sh-i18n
+. git-parse-remote
+require_work_tree
+
+command=
+branch=
+force=
+reference=
+cached=
+recursive=
+init=
+files=
+nofetch=
+update=
+prefix=
+
+# Resolve relative url by appending to parent's url
+resolve_relative_url ()
+{
+ remote=$(get_default_remote)
+ remoteurl=$(git config "remote.$remote.url") ||
+ remoteurl=$(pwd) # the repository is its own authoritative upstream
+ url="$1"
+ remoteurl=${remoteurl%/}
+ sep=/
+ while test -n "$url"
+ do
+ case "$url" in
+ ../*)
+ url="${url#../}"
+ case "$remoteurl" in
+ */*)
+ remoteurl="${remoteurl%/*}"
+ ;;
+ *:*)
+ remoteurl="${remoteurl%:*}"
+ sep=:
+ ;;
+ *)
+ die "$(eval_gettext "cannot strip one component off url '\$remoteurl'")"
+ ;;
+ esac
+ ;;
+ ./*)
+ url="${url#./}"
+ ;;
+ *)
+ break;;
+ esac
+ done
+ echo "$remoteurl$sep${url%/}"
+}
+
+#
+# Get submodule info for registered submodules
+# $@ = path to limit submodule list
+#
+module_list()
+{
+ git ls-files --error-unmatch --stage -- "$@" |
+ perl -e '
+ my %unmerged = ();
+ my ($null_sha1) = ("0" x 40);
+ while (<STDIN>) {
+ chomp;
+ my ($mode, $sha1, $stage, $path) =
+ /^([0-7]+) ([0-9a-f]{40}) ([0-3])\t(.*)$/;
+ next unless $mode eq "160000";
+ if ($stage ne "0") {
+ if (!$unmerged{$path}++) {
+ print "$mode $null_sha1 U\t$path\n";
+ }
+ next;
+ }
+ print "$_\n";
+ }
+ '
+}
+
+#
+# Map submodule path to submodule name
+#
+# $1 = path
+#
+module_name()
+{
+ # Do we have "submodule.<something>.path = $1" defined in .gitmodules file?
+ re=$(printf '%s\n' "$1" | sed -e 's/[].[^$\\*]/\\&/g')
+ name=$( git config -f .gitmodules --get-regexp '^submodule\..*\.path$' |
+ sed -n -e 's|^submodule\.\(.*\)\.path '"$re"'$|\1|p' )
+ test -z "$name" &&
+ die "$(eval_gettext "No submodule mapping found in .gitmodules for path '\$path'")"
+ echo "$name"
+}
+
+#
+# Clone a submodule
+#
+# Prior to calling, cmd_update checks that a possibly existing
+# path is not a git repository.
+# Likewise, cmd_add checks that path does not exist at all,
+# since it is the location of a new submodule.
+#
+module_clone()
+{
+ path=$1
+ url=$2
+ reference="$3"
+ quiet=
+ if test -n "$GIT_QUIET"
+ then
+ quiet=-q
+ fi
+
+ if test -n "$reference"
+ then
+ git-clone $quiet "$reference" -n "$url" "$path"
+ else
+ git-clone $quiet -n "$url" "$path"
+ fi ||
+ die "$(eval_gettext "Clone of '\$url' into submodule path '\$path' failed")"
+}
+
+#
+# Add a new submodule to the working tree, .gitmodules and the index
+#
+# $@ = repo path
+#
+# optional branch is stored in global branch variable
+#
+cmd_add()
+{
+ # parse $args after "submodule ... add".
+ while test $# -ne 0
+ do
+ case "$1" in
+ -b | --branch)
+ case "$2" in '') usage ;; esac
+ branch=$2
+ shift
+ ;;
+ -f | --force)
+ force=$1
+ ;;
+ -q|--quiet)
+ GIT_QUIET=1
+ ;;
+ --reference)
+ case "$2" in '') usage ;; esac
+ reference="--reference=$2"
+ shift
+ ;;
+ --reference=*)
+ reference="$1"
+ shift
+ ;;
+ --)
+ shift
+ break
+ ;;
+ -*)
+ usage
+ ;;
+ *)
+ break
+ ;;
+ esac
+ shift
+ done
+
+ repo=$1
+ path=$2
+
+ if test -z "$path"; then
+ path=$(echo "$repo" |
+ sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g')
+ fi
+
+ if test -z "$repo" -o -z "$path"; then
+ usage
+ fi
+
+ # assure repo is absolute or relative to parent
+ case "$repo" in
+ ./*|../*)
+ # dereference source url relative to parent's url
+ realrepo=$(resolve_relative_url "$repo") || exit
+ ;;
+ *:*|/*)
+ # absolute url
+ realrepo=$repo
+ ;;
+ *)
+ die "$(eval_gettext "repo URL: '\$repo' must be absolute or begin with ./|../")"
+ ;;
+ esac
+
+ # normalize path:
+ # multiple //; leading ./; /./; /../; trailing /
+ path=$(printf '%s/\n' "$path" |
+ sed -e '
+ s|//*|/|g
+ s|^\(\./\)*||
+ s|/\./|/|g
+ :start
+ s|\([^/]*\)/\.\./||
+ tstart
+ s|/*$||
+ ')
+ git ls-files --error-unmatch "$path" > /dev/null 2>&1 &&
+ die "$(eval_gettext "'\$path' already exists in the index")"
+
+ if test -z "$force" && ! git add --dry-run --ignore-missing "$path" > /dev/null 2>&1
+ then
+ eval_gettextln "The following path is ignored by one of your .gitignore files:
+\$path
+Use -f if you really want to add it." >&2
+ exit 1
+ fi
+
+ # perhaps the path exists and is already a git repo, else clone it
+ if test -e "$path"
+ then
+ if test -d "$path"/.git -o -f "$path"/.git
+ then
+ eval_gettextln "Adding existing repo at '\$path' to the index"
+ else
+ die "$(eval_gettext "'\$path' already exists and is not a valid git repo")"
+ fi
+
+ else
+
+ module_clone "$path" "$realrepo" "$reference" || exit
+ (
+ clear_local_git_env
+ cd "$path" &&
+ # ash fails to wordsplit ${branch:+-b "$branch"...}
+ case "$branch" in
+ '') git checkout -f -q ;;
+ ?*) git checkout -f -q -B "$branch" "origin/$branch" ;;
+ esac
+ ) || die "$(eval_gettext "Unable to checkout submodule '\$path'")"
+ fi
+ git config submodule."$path".url "$realrepo"
+
+ git add $force "$path" ||
+ die "$(eval_gettext "Failed to add submodule '\$path'")"
+
+ git config -f .gitmodules submodule."$path".path "$path" &&
+ git config -f .gitmodules submodule."$path".url "$repo" &&
+ git add --force .gitmodules ||
+ die "$(eval_gettext "Failed to register submodule '\$path'")"
+}
+
+#
+# Execute an arbitrary command sequence in each checked out
+# submodule
+#
+# $@ = command to execute
+#
+cmd_foreach()
+{
+ # parse $args after "submodule ... foreach".
+ while test $# -ne 0
+ do
+ case "$1" in
+ -q|--quiet)
+ GIT_QUIET=1
+ ;;
+ --recursive)
+ recursive=1
+ ;;
+ -*)
+ usage
+ ;;
+ *)
+ break
+ ;;
+ esac
+ shift
+ done
+
+ toplevel=$(pwd)
+
+ # dup stdin so that it can be restored when running the external
+ # command in the subshell (and a recursive call to this function)
+ exec 3<&0
+
+ module_list |
+ while read mode sha1 stage path
+ do
+ if test -e "$path"/.git
+ then
+ say "$(eval_gettext "Entering '\$prefix\$path'")"
+ name=$(module_name "$path")
+ (
+ prefix="$prefix$path/"
+ clear_local_git_env
+ cd "$path" &&
+ eval "$@" &&
+ if test -n "$recursive"
+ then
+ cmd_foreach "--recursive" "$@"
+ fi
+ ) <&3 3<&- ||
+ die "$(eval_gettext "Stopping at '\$path'; script returned non-zero status.")"
+ fi
+ done
+}
+
+#
+# Register submodules in .git/config
+#
+# $@ = requested paths (default to all)
+#
+cmd_init()
+{
+ # parse $args after "submodule ... init".
+ while test $# -ne 0
+ do
+ case "$1" in
+ -q|--quiet)
+ GIT_QUIET=1
+ ;;
+ --)
+ shift
+ break
+ ;;
+ -*)
+ usage
+ ;;
+ *)
+ break
+ ;;
+ esac
+ shift
+ done
+
+ module_list "$@" |
+ while read mode sha1 stage path
+ do
+ # Skip already registered paths
+ name=$(module_name "$path") || exit
+ if test -z "$(git config "submodule.$name.url")"
+ then
+ url=$(git config -f .gitmodules submodule."$name".url)
+ test -z "$url" &&
+ die "$(eval_gettext "No url found for submodule path '\$path' in .gitmodules")"
+
+ # Possibly a url relative to parent
+ case "$url" in
+ ./*|../*)
+ url=$(resolve_relative_url "$url") || exit
+ ;;
+ esac
+ git config submodule."$name".url "$url" ||
+ die "$(eval_gettext "Failed to register url for submodule path '\$path'")"
+ fi
+
+ # Copy "update" setting when it is not set yet
+ upd="$(git config -f .gitmodules submodule."$name".update)"
+ test -z "$upd" ||
+ test -n "$(git config submodule."$name".update)" ||
+ git config submodule."$name".update "$upd" ||
+ die "$(eval_gettext "Failed to register update mode for submodule path '\$path'")"
+
+ say "$(eval_gettext "Submodule '\$name' (\$url) registered for path '\$path'")"
+ done
+}
+
+#
+# Update each submodule path to correct revision, using clone and checkout as needed
+#
+# $@ = requested paths (default to all)
+#
+cmd_update()
+{
+ # parse $args after "submodule ... update".
+ orig_flags=
+ while test $# -ne 0
+ do
+ case "$1" in
+ -q|--quiet)
+ GIT_QUIET=1
+ ;;
+ -i|--init)
+ init=1
+ ;;
+ -N|--no-fetch)
+ nofetch=1
+ ;;
+ -f|--force)
+ force=$1
+ ;;
+ -r|--rebase)
+ update="rebase"
+ ;;
+ --reference)
+ case "$2" in '') usage ;; esac
+ reference="--reference=$2"
+ orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
+ shift
+ ;;
+ --reference=*)
+ reference="$1"
+ ;;
+ -m|--merge)
+ update="merge"
+ ;;
+ --recursive)
+ recursive=1
+ ;;
+ --)
+ shift
+ break
+ ;;
+ -*)
+ usage
+ ;;
+ *)
+ break
+ ;;
+ esac
+ orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
+ shift
+ done
+
+ if test -n "$init"
+ then
+ cmd_init "--" "$@" || return
+ fi
+
+ cloned_modules=
+ module_list "$@" | {
+ err=
+ while read mode sha1 stage path
+ do
+ if test "$stage" = U
+ then
+ echo >&2 "Skipping unmerged submodule $path"
+ continue
+ fi
+ name=$(module_name "$path") || exit
+ url=$(git config submodule."$name".url)
+ update_module=$(git config submodule."$name".update)
+ if test -z "$url"
+ then
+ # Only mention uninitialized submodules when its
+ # path have been specified
+ test "$#" != "0" &&
+ say "$(eval_gettext "Submodule path '\$path' not initialized
+Maybe you want to use 'update --init'?")"
+ continue
+ fi
+
+ if ! test -d "$path"/.git -o -f "$path"/.git
+ then
+ module_clone "$path" "$url" "$reference"|| exit
+ cloned_modules="$cloned_modules;$name"
+ subsha1=
+ else
+ subsha1=$(clear_local_git_env; cd "$path" &&
+ git rev-parse --verify HEAD) ||
+ die "$(eval_gettext "Unable to find current revision in submodule path '\$path'")"
+ fi
+
+ if ! test -z "$update"
+ then
+ update_module=$update
+ fi
+
+ if test "$subsha1" != "$sha1"
+ then
+ subforce=$force
+ # If we don't already have a -f flag and the submodule has never been checked out
+ if test -z "$subsha1" -a -z "$force"
+ then
+ subforce="-f"
+ fi
+
+ if test -z "$nofetch"
+ then
+ # Run fetch only if $sha1 isn't present or it
+ # is not reachable from a ref.
+ (clear_local_git_env; cd "$path" &&
+ ( (rev=$(git rev-list -n 1 $sha1 --not --all 2>/dev/null) &&
+ test -z "$rev") || git-fetch)) ||
+ die "$(eval_gettext "Unable to fetch in submodule path '\$path'")"
+ fi
+
+ # Is this something we just cloned?
+ case ";$cloned_modules;" in
+ *";$name;"*)
+ # then there is no local change to integrate
+ update_module= ;;
+ esac
+
+ must_die_on_failure=
+ case "$update_module" in
+ rebase)
+ command="git rebase"
+ die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$path'")"
+ say_msg="$(eval_gettext "Submodule path '\$path': rebased into '\$sha1'")"
+ must_die_on_failure=yes
+ ;;
+ merge)
+ command="git merge"
+ die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$path'")"
+ say_msg="$(eval_gettext "Submodule path '\$path': merged in '\$sha1'")"
+ must_die_on_failure=yes
+ ;;
+ *)
+ command="git checkout $subforce -q"
+ die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$path'")"
+ say_msg="$(eval_gettext "Submodule path '\$path': checked out '\$sha1'")"
+ ;;
+ esac
+
+ if (clear_local_git_env; cd "$path" && $command "$sha1")
+ then
+ say "$say_msg"
+ elif test -n "$must_die_on_failure"
+ then
+ die_with_status 2 "$die_msg"
+ else
+ err="${err};$die_msg"
+ continue
+ fi
+ fi
+
+ if test -n "$recursive"
+ then
+ (clear_local_git_env; cd "$path" && eval cmd_update "$orig_flags")
+ res=$?
+ if test $res -gt 0
+ then
+ die_msg="$(eval_gettext "Failed to recurse into submodule path '\$path'")"
+ if test $res -eq 1
+ then
+ err="${err};$die_msg"
+ continue
+ else
+ die_with_status $res "$die_msg"
+ fi
+ fi
+ fi
+ done
+
+ if test -n "$err"
+ then
+ OIFS=$IFS
+ IFS=';'
+ for e in $err
+ do
+ if test -n "$e"
+ then
+ echo >&2 "$e"
+ fi
+ done
+ IFS=$OIFS
+ exit 1
+ fi
+ }
+}
+
+set_name_rev () {
+ revname=$( (
+ clear_local_git_env
+ cd "$1" && {
+ git describe "$2" 2>/dev/null ||
+ git describe --tags "$2" 2>/dev/null ||
+ git describe --contains "$2" 2>/dev/null ||
+ git describe --all --always "$2"
+ }
+ ) )
+ test -z "$revname" || revname=" ($revname)"
+}
+#
+# Show commit summary for submodules in index or working tree
+#
+# If '--cached' is given, show summary between index and given commit,
+# or between working tree and given commit
+#
+# $@ = [commit (default 'HEAD'),] requested paths (default all)
+#
+cmd_summary() {
+ summary_limit=-1
+ for_status=
+ diff_cmd=diff-index
+
+ # parse $args after "submodule ... summary".
+ while test $# -ne 0
+ do
+ case "$1" in
+ --cached)
+ cached="$1"
+ ;;
+ --files)
+ files="$1"
+ ;;
+ --for-status)
+ for_status="$1"
+ ;;
+ -n|--summary-limit)
+ if summary_limit=$(($2 + 0)) 2>/dev/null && test "$summary_limit" = "$2"
+ then
+ :
+ else
+ usage
+ fi
+ shift
+ ;;
+ --)
+ shift
+ break
+ ;;
+ -*)
+ usage
+ ;;
+ *)
+ break
+ ;;
+ esac
+ shift
+ done
+
+ test $summary_limit = 0 && return
+
+ if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
+ then
+ head=$rev
+ test $# = 0 || shift
+ elif test -z "$1" -o "$1" = "HEAD"
+ then
+ # before the first commit: compare with an empty tree
+ head=$(git hash-object -w -t tree --stdin </dev/null)
+ test -z "$1" || shift
+ else
+ head="HEAD"
+ fi
+
+ if [ -n "$files" ]
+ then
+ test -n "$cached" &&
+ die "$(gettext -- "--cached cannot be used with --files")"
+ diff_cmd=diff-files
+ head=
+ fi
+
+ cd_to_toplevel
+ # Get modified modules cared by user
+ modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
+ sane_egrep '^:([0-7]* )?160000' |
+ while read mod_src mod_dst sha1_src sha1_dst status name
+ do
+ # Always show modules deleted or type-changed (blob<->module)
+ test $status = D -o $status = T && echo "$name" && continue
+ # Also show added or modified modules which are checked out
+ GIT_DIR="$name/.git" git-rev-parse --git-dir >/dev/null 2>&1 &&
+ echo "$name"
+ done
+ )
+
+ test -z "$modules" && return
+
+ git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
+ sane_egrep '^:([0-7]* )?160000' |
+ cut -c2- |
+ while read mod_src mod_dst sha1_src sha1_dst status name
+ do
+ if test -z "$cached" &&
+ test $sha1_dst = 0000000000000000000000000000000000000000
+ then
+ case "$mod_dst" in
+ 160000)
+ sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
+ ;;
+ 100644 | 100755 | 120000)
+ sha1_dst=$(git hash-object $name)
+ ;;
+ 000000)
+ ;; # removed
+ *)
+ # unexpected type
+ eval_gettextln "unexpected mode \$mod_dst" >&2
+ continue ;;
+ esac
+ fi
+ missing_src=
+ missing_dst=
+
+ test $mod_src = 160000 &&
+ ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_src^0 >/dev/null &&
+ missing_src=t
+
+ test $mod_dst = 160000 &&
+ ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_dst^0 >/dev/null &&
+ missing_dst=t
+
+ total_commits=
+ case "$missing_src,$missing_dst" in
+ t,)
+ errmsg="$(eval_gettext " Warn: \$name doesn't contain commit \$sha1_src")"
+ ;;
+ ,t)
+ errmsg="$(eval_gettext " Warn: \$name doesn't contain commit \$sha1_dst")"
+ ;;
+ t,t)
+ errmsg="$(eval_gettext " Warn: \$name doesn't contain commits \$sha1_src and \$sha1_dst")"
+ ;;
+ *)
+ errmsg=
+ total_commits=$(
+ if test $mod_src = 160000 -a $mod_dst = 160000
+ then
+ range="$sha1_src...$sha1_dst"
+ elif test $mod_src = 160000
+ then
+ range=$sha1_src
+ else
+ range=$sha1_dst
+ fi
+ GIT_DIR="$name/.git" \
+ git rev-list --first-parent $range -- | wc -l
+ )
+ total_commits=" ($(($total_commits + 0)))"
+ ;;
+ esac
+
+ sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
+ sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
+ if test $status = T
+ then
+ blob="$(gettext "blob")"
+ submodule="$(gettext "submodule")"
+ if test $mod_dst = 160000
+ then
+ echo "* $name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
+ else
+ echo "* $name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
+ fi
+ else
+ echo "* $name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
+ fi
+ if test -n "$errmsg"
+ then
+ # Don't give error msg for modification whose dst is not submodule
+ # i.e. deleted or changed to blob
+ test $mod_dst = 160000 && echo "$errmsg"
+ else
+ if test $mod_src = 160000 -a $mod_dst = 160000
+ then
+ limit=
+ test $summary_limit -gt 0 && limit="-$summary_limit"
+ GIT_DIR="$name/.git" \
+ git log $limit --pretty='format: %m %s' \
+ --first-parent $sha1_src...$sha1_dst
+ elif test $mod_dst = 160000
+ then
+ GIT_DIR="$name/.git" \
+ git log --pretty='format: > %s' -1 $sha1_dst
+ else
+ GIT_DIR="$name/.git" \
+ git log --pretty='format: < %s' -1 $sha1_src
+ fi
+ echo
+ fi
+ echo
+ done |
+ if test -n "$for_status"; then
+ if [ -n "$files" ]; then
+ gettextln "# Submodules changed but not updated:"
+ else
+ gettextln "# Submodule changes to be committed:"
+ fi
+ echo "#"
+ sed -e 's|^|# |' -e 's|^# $|#|'
+ else
+ cat
+ fi
+}
+#
+# List all submodules, prefixed with:
+# - submodule not initialized
+# + different revision checked out
+#
+# If --cached was specified the revision in the index will be printed
+# instead of the currently checked out revision.
+#
+# $@ = requested paths (default to all)
+#
+cmd_status()
+{
+ # parse $args after "submodule ... status".
+ orig_flags=
+ while test $# -ne 0
+ do
+ case "$1" in
+ -q|--quiet)
+ GIT_QUIET=1
+ ;;
+ --cached)
+ cached=1
+ ;;
+ --recursive)
+ recursive=1
+ ;;
+ --)
+ shift
+ break
+ ;;
+ -*)
+ usage
+ ;;
+ *)
+ break
+ ;;
+ esac
+ orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
+ shift
+ done
+
+ module_list "$@" |
+ while read mode sha1 stage path
+ do
+ name=$(module_name "$path") || exit
+ url=$(git config submodule."$name".url)
+ displaypath="$prefix$path"
+ if test "$stage" = U
+ then
+ say "U$sha1 $displaypath"
+ continue
+ fi
+ if test -z "$url" || ! test -d "$path"/.git -o -f "$path"/.git
+ then
+ say "-$sha1 $displaypath"
+ continue;
+ fi
+ set_name_rev "$path" "$sha1"
+ if git diff-files --ignore-submodules=dirty --quiet -- "$path"
+ then
+ say " $sha1 $displaypath$revname"
+ else
+ if test -z "$cached"
+ then
+ sha1=$(clear_local_git_env; cd "$path" && git rev-parse --verify HEAD)
+ set_name_rev "$path" "$sha1"
+ fi
+ say "+$sha1 $displaypath$revname"
+ fi
+
+ if test -n "$recursive"
+ then
+ (
+ prefix="$displaypath/"
+ clear_local_git_env
+ cd "$path" &&
+ eval cmd_status "$orig_args"
+ ) ||
+ die "$(eval_gettext "Failed to recurse into submodule path '\$path'")"
+ fi
+ done
+}
+#
+# Sync remote urls for submodules
+# This makes the value for remote.$remote.url match the value
+# specified in .gitmodules.
+#
+cmd_sync()
+{
+ while test $# -ne 0
+ do
+ case "$1" in
+ -q|--quiet)
+ GIT_QUIET=1
+ shift
+ ;;
+ --)
+ shift
+ break
+ ;;
+ -*)
+ usage
+ ;;
+ *)
+ break
+ ;;
+ esac
+ done
+ cd_to_toplevel
+ module_list "$@" |
+ while read mode sha1 stage path
+ do
+ name=$(module_name "$path")
+ url=$(git config -f .gitmodules --get submodule."$name".url)
+
+ # Possibly a url relative to parent
+ case "$url" in
+ ./*|../*)
+ url=$(resolve_relative_url "$url") || exit
+ ;;
+ esac
+
+ if git config "submodule.$name.url" >/dev/null 2>/dev/null
+ then
+ say "$(eval_gettext "Synchronizing submodule url for '\$name'")"
+ git config submodule."$name".url "$url"
+
+ if test -e "$path"/.git
+ then
+ (
+ clear_local_git_env
+ cd "$path"
+ remote=$(get_default_remote)
+ git config remote."$remote".url "$url"
+ )
+ fi
+ fi
+ done
+}
+
+# This loop parses the command line arguments to find the
+# subcommand name to dispatch. Parsing of the subcommand specific
+# options are primarily done by the subcommand implementations.
+# Subcommand specific options such as --branch and --cached are
+# parsed here as well, for backward compatibility.
+
+while test $# != 0 && test -z "$command"
+do
+ case "$1" in
+ add | foreach | init | update | status | summary | sync)
+ command=$1
+ ;;
+ -q|--quiet)
+ GIT_QUIET=1
+ ;;
+ -b|--branch)
+ case "$2" in
+ '')
+ usage
+ ;;
+ esac
+ branch="$2"; shift
+ ;;
+ --cached)
+ cached="$1"
+ ;;
+ --)
+ break
+ ;;
+ -*)
+ usage
+ ;;
+ *)
+ break
+ ;;
+ esac
+ shift
+done
+
+# No command word defaults to "status"
+test -n "$command" || command=status
+
+# "-b branch" is accepted only by "add"
+if test -n "$branch" && test "$command" != add
+then
+ usage
+fi
+
+# "--cached" is accepted only by "status" and "summary"
+if test -n "$cached" && test "$command" != status -a "$command" != summary
+then
+ usage
+fi
+
+"cmd_$command" "$@"
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